Do not reinstall Windows7 system to open AHCI mode tutorial

There is user response in the bios open ahci function in the hard disk can not start the system, only change back to ide mode, in order to let the system start normally. Normally, only the reinstallation system can open the ahci mode of the hard disk. The following small series will share with you the tutorial of not reinstalling Windows7 system to open ahci mode.

1. Click on the Start menu in the lower left corner of the computer, then type regedit and click Enter.

2. After opening the computer's Registry Editor window, expand HKEY_LOCAL_MACHINE \\ SYSTEM \\ CurrentControlSet \\ services \\ msahci, so in the menu on the left, you can find strat in the right window This option is gone.

3. Double-click on strat find options above will pop up a window to edit directly change the value data to 0 (the default value should be the computer 3), and change the base to hexadecimal That's it.

4. Close the Registry Editor window, and then restart the computer, the above settings can take effect.

The above is a tutorial that does not reinstall Windows 7 system to open ahci mode. After the user restarts the computer, he can enter the bios interface, change the hard disk to ahci mode, and you will find that you can enter the system normally.